You will be given a definition of a task first, then some input of the task.
In this task, you are given a sentence and a question, you would be asked to create the answer which is contained in the sentence provided.

Sentence: K2 is the second highest mountain in the world, at over 28,000 feet. Question: What is the second highest mountain in the world, at over 28,000 feet?
Output:
k2